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jQuery using append with effects
...h inline or external CSS script, or just create the div as
<div id="new_div" style="display: none;"> ... </div>
Then you can chain effects to your append (demo):
$('#new_div').appendTo('#original_div').show('slow');
Or (demo):
var $new = $('#new_div');
$('#original_div').append($...
How to check if an object is an array?
... {
Array.isArray = function(obj) {
return Object.prototype.toString.call(obj) === '[object Array]';
}
};
If you use jQuery you can use jQuery.isArray(obj) or $.isArray(obj). If you use underscore you can use _.isArray(obj)
If you don't need to detect arrays created in different frames you...
MySQL pagination without double-querying?
... help a lot.
The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on lar...
vs.
...d to separate it's functionality from the embed tag. w3schools.com/tags/tag_object.asp It appears to me that the object tag is almost a 'Swiss army knife' tag while embed is purpose built for embedding content into a page.
– cmaynard
Apr 21 '15 at 12:40
...
What does the @ symbol before a variable name mean in C#? [duplicate]
...name is recorded in the assembly as "class", vs. with an underscore it is "_class". Thus, if another .NET language doesn't define "class" as a reserved word, they could use the name just "class".
– P Daddy
Jan 9 '09 at 20:23
...
Add single element to array in numpy
...swered Sep 7 '11 at 11:15
reader_1000reader_1000
2,2831515 silver badges1414 bronze badges
...
Reshaping data.frame from wide to long format
...s melt/cast. Here is a solution with reshape, assuming your data frame is called d:
reshape(d,
direction = "long",
varying = list(names(d)[3:7]),
v.names = "Value",
idvar = c("Code", "Country"),
timevar = "Year",
times = 1950:1954)
...
Reading a file line by line in Go
...since the OP asked to scan over a file, it would be trivial to first file, _ := os.Open("/path/to/file.csv") and then scan over the file handle: scanner := bufio.NewScanner(file)
– Evan Plumlee
Aug 18 '13 at 13:28
...
Define global variable in a JavaScript function
...
Yes, as the others have said, you can use var at global scope (outside of all functions) to declare a global variable:
<script>
var yourGlobalVariable;
function foo() {
// ...
}
</script>
Alternately, you can assign to a property on window:
<script>
function foo() {
wi...
How to grep (search) committed code in the Git history
...s and the like), you need to do:
git grep <regexp> $(git rev-list --all)
git rev-list --all | xargs git grep <expression> will work if you run into an "Argument list too long" error.
If you want to limit the search to some subtree (for instance, "lib/util"), you will need to pass tha...